# 1 "main.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 31 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 32 "<command-line>" 2
# 1 "main.c"
# 1 "head.h" 1


int add(int, int);
int sub(int, int);
int mul(int, int);
double div(int, int);
# 2 "main.c" 2
int main(void){
       int a,b;
       printf("enter two numbers:");
       scanf("%d %d",&a,&b);
       printf("add:%d\n",add(a,b));
       printf("add:%d\n",sub(a,b));
       printf("add:%d\n",mul(a,b));
       printf("add:%d\n",div(a,b));
       return 0;
}
